Corgimajor
Sorry to hear about your ongoing problems. I've seen a lot of replies to your post recommending wetting the canvas / applying sealants etc. and none of this advice can be found in the owners handbook (California Supplement). All this says (page 13) is "close the pop-up roof if there is a strong wind or strong wind with driving rain".So the issues with our brand new Cali continue. After having to have a brand fridge fitted as the original never worked, we have now discovered that a seam in the roof fabric leaks water when it is raining.
Yesterday was the first day away in the van, when we have encountered rain. Whilst sat looking forward, I noticed water dripping onto the seats. When I looked up, water was running in all along the seam that runs along the bottom of the semi circle window (photo attached). The ledge at the bottom where the light switch is was soaked with water. My local van centre have stated that there is a £320 charge for investigating water ingress, which will be payable if the issue isn’t covered under warranty (I’m pretty sure it will be).
Has anyone else had issues with leaking bellows on an Ocean 6.1 with the new fabric?
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If I was a dealer (or part of the VW legal team - and I'm playing devils advocate here) I would ask what the weather conditions were when the observed leaks occurred. If you did experience strong winds and driving rain prior to the Ingress of water then they might argue you should have followed the instructions in the owners handbook and by not doing so invalidated any warranty claim.
These pop-roof bellows are not natural cotton canvas, so the advice on wetting them prior to exposing them to rain is outdated, if it was required it would say so in the handbook, it doesn't. The bellows material is a modern water resistant man made fibre. I've no idea what the performance of the material is with respect to its hydrostatic head (some on this forum may know), but it is unlikely to compare with high performance materials found on most family tents these days (which aren't designed to be taken down in high winds and driving rain). Hence the guidance in the handbook to drop the pop-up roof in extreme wet and windy weather conditions.
I'm sure however VWVCs and VW National Customer Services should treat your case with some level of self interest, after all this is the very latest version of their pop-up roof bellows system and anything that looks like it is failing on it (notably this front seam) needs to be treated seriously and with a large dollop of goodwill.
Good luck with your claim.